20185339725

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{5189}}^1$

素因数の和:5341

約数の個数: 120

約数和(自身を含む): 39947699880

約数和(自身を除く): 19762360155

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 113, 135, 153, 225, 255, 339, 405, 425, 459, 565, 675, 765, 1017, 1275, 1377, 1695, 1921, 2025, 2295, 2825, 3051, 3825, 5085, 5189, 5763, 6885, 8475, 9153, 9605, 11475, 15255, 15567, 17289, 25425, 25945, 28815, 34425, 45765, 46701, 48025, 51867, 76275, 77835, 86445, 88213, 129725, 140103, 144075, 155601, 228825, 233505, 259335, 264639, 389175, 420309, 432225, 441065, 586357, 700515, 778005, 793917, 1167525, 1296675, 1323195, 1759071, 2101545, 2205325, 2381751, 2931785, 3502575, 3890025, 3969585, 5277213, 6615975, 7145253, 8795355, 9968069, 10507725, 11908755, 14658925, 15831639, 19847925, 26386065, 29904207, 35726265, 43976775, 47494917, 49840345, 59543775, 79158195, 89712621, 131930325, 149521035, 178631325, 237474585, 249201725, 269137863, 395790975, 448563105, 747605175, 807413589, 1187372925, 1345689315, 2242815525, 4037067945, 6728446575, 20185339725]

約数ペア:

[(1, 20185339725), (3, 6728446575), (5, 4037067945), (9, 2242815525), (15, 1345689315), (17, 1187372925), (25, 807413589), (27, 747605175), (45, 448563105), (51, 395790975), (75, 269137863), (81, 249201725), (85, 237474585), (113, 178631325), (135, 149521035), (153, 131930325), (225, 89712621), (255, 79158195), (339, 59543775), (405, 49840345), (425, 47494917), (459, 43976775), (565, 35726265), (675, 29904207), (765, 26386065), (1017, 19847925), (1275, 15831639), (1377, 14658925), (1695, 11908755), (1921, 10507725), (2025, 9968069), (2295, 8795355), (2825, 7145253), (3051, 6615975), (3825, 5277213), (5085, 3969585), (5189, 3890025), (5763, 3502575), (6885, 2931785), (8475, 2381751), (9153, 2205325), (9605, 2101545), (11475, 1759071), (15255, 1323195), (15567, 1296675), (17289, 1167525), (25425, 793917), (25945, 778005), (28815, 700515), (34425, 586357), (45765, 441065), (46701, 432225), (48025, 420309), (51867, 389175), (76275, 264639), (77835, 259335), (86445, 233505), (88213, 228825), (129725, 155601), (140103, 144075)]